2890968280

素因数分解:

$2^3\times 5^1\times {\mathrm{72274207}}^1$

素因数の和:72274218

約数の個数: 16

約数和(自身を含む): 6504678720

約数和(自身を除く): 3613710440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 72274207, 144548414, 289096828, 361371035, 578193656, 722742070, 1445484140, 2890968280]

約数ペア:

[(1, 2890968280), (2, 1445484140), (4, 722742070), (5, 578193656), (8, 361371035), (10, 289096828), (20, 144548414), (40, 72274207)]